/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import dao.LoaiGiayDAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import pojo.LoaiGiayPOJO;

/**
 *
 * @author Administrator
 */
@WebServlet(name = "DanhMucGiayController", urlPatterns = {"/DanhMucGiayController"})
public class DanhMucGiayController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String action = request.getParameter("Action");
            if (action != null) {
                if (action.equals("View")) {
                    //Lấy giới tính.
                    int gioiTinh = 0;
                    if (request.getParameter("GioiTinh") != null) {
                        gioiTinh = Integer.parseInt(request.getParameter("GioiTinh"));
                    }
                    request.setAttribute("GioiTinh", gioiTinh);
                    
                    //Lấy tham số mã loại giày.
                    int maLoaiGiay = 0;
                    if (request.getParameter("MaLoaiGiay") != null) {
                        maLoaiGiay = Integer.parseInt(request.getParameter("MaLoaiGiay"));
                    }
                    request.setAttribute("MaLoaiGiay", maLoaiGiay);

                    //Lấy danh mục loại giày theo giới tính.
                    ArrayList<LoaiGiayPOJO> dmLoaiGiay = LoaiGiayDAO.layDanhMucLoaiGiay_TheoGioiTinh_Client(gioiTinh);
                    request.setAttribute("dmLoaiGiayTheoGioiTinh", dmLoaiGiay);

                    //Tính số trang.
                    int soTrang = LoaiGiayDAO.tinhSoLuongTrang(gioiTinh, maLoaiGiay);
                    request.setAttribute("soTrang", soTrang);

                    request.getRequestDispatcher("/client/danh-muc-giay.jsp").forward(request, response);
                }
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
